Early polls suggest the Democratic convention did indeed give Hillary Clinton a bump — but it didn’t show what kind of campaign she’s chosen. How does she intend to win — by capturing the center, or by getting a huge turnout from the Democratic base, as President Obama did in 2012?

It looks like she can’t make up her mind. She keeps making gestures of outreach to Republican and moderate voters, such as giving her first post-convention interview to Chris Wallace of Fox News — but refuses to follow up with even a hint of substance.

Having shifted left in the Obama years, and lurched even further to fend off Bernie Sanders, she’s not giving non-Democrats the least reason to believe she’ll take the nation where they’d like it go. She’s not even pointing to areas where she might compromise with GOP members of Congress.

Yes, she’s attacking Donald Trump — telling Wallace, for example, that her opponent is soft on Russia — but she’s not giving Republicans uncomfortable with their nominee any reason to think she’ll be better.

Her economic program is all tax hikes and new spending programs. How that will create jobs (other than government jobs) is a mystery even she doesn’t pretend to solve.

On immigration, she promises to outdo President Obama in using executive orders to end-run Congress. Implicitly, she also vows to appoint Supreme Court justices who’ll rubber-stamp this lawlessness, along with anything else on the left’s wish list.

Clinton also says she’ll take aim at the First Amendment as a top priority — to undo the high court’s ruling in Citizens United. In that case, the feds claimed the power to ban a documentary critical of . . . Hillary Clinton, simply because it was critical of a candidate for office; Obama lawyers also argued they should be able to ban political books.

Hardly an issue to push if Clinton were serious about wanting to reach beyond Democratic voters.

Donald Trump has a clear strategy for winning: Combine the new voters he’s attracted with regular Republicans for a solid national majority. Clinton plainly aims to frustrate that by outspending him 3 to 1 and blasting him with negative ads, but there’s still no sign of how she expects to build a true majority of her own.